def mount(parent, device):
mountpoint, options = query_mount(parent, device)
if not mountpoint:
return None
command = ('mount', '-t', 'ocfs2', device, mountpoint)
if options:
command = list(command)
command[1:1] = ('-o', options)
p = Process(command, 'Mount', 'Mounting...', parent, spin_now=True)
success, output, killed = p.reap()
if not success:
if killed:
error_box(
parent, 'mount died unexpectedly! Your system is '
'probably in an inconsistent state. You '
'should reboot at the earliest opportunity')
else:
error_box(parent, '%s: Could not mount %s' % (output, device))
return None
else:
return mountpoint
def mount(parent, device):
mountpoint, options = query_mount(parent, device)
if not mountpoint:
return None
command = ('mount', '-t', 'ocfs2', device, mountpoint)
if options:
command = list(command)
command[1:1] = ('-o', options)
p = Process(command, 'Mount', 'Mounting...', parent, spin_now=True)
success, output, killed = p.reap()
if not success:
if killed:
error_box(parent, 'mount died unexpectedly! Your system is '
'probably in an inconsistent state. You '
'should reboot at the earliest opportunity')
else:
error_box(parent, '%s: Could not mount %s' % (output, device))
return None
else:
return mountpoint
def apply_changes(self):
success = False
for name, ip_address, ip_port in self.new_node_attrs():
success, output, k = o2cb_ctl.add_node(name, self.cluster_name,
ip_address, ip_port, self)
if not success:
error_box(self, '%s\nCould not add node %s' % (output, name))
break
self.load_cluster_state()
return success
def apply_changes(self):
success = False
for name, ip_address, ip_port in self.new_node_attrs():
success, output, k = o2cb_ctl.add_node(name, self.cluster_name,
ip_address, ip_port, self)
if not success:
error_box(self, '%s\nCould not add node %s' % (output, name))
break
self.load_cluster_state()
return success
def unmount(parent, device, mountpoint):
command = ('umount', mountpoint)
p = Process(command, 'Unmount', 'Unmounting...', parent)
success, output, killed = p.reap()
if not success:
if killed:
error_box(parent, 'umount died unexpectedly! Your system is '
'probably in an inconsistent state. You '
'should reboot at the earliest opportunity')
else:
error_box(parent, '%s: Could not unmount %s mounted on %s' %
(output, device, mountpoint))
def node_config(parent=None):
success, output, k = o2cb_ctl.init_status(None, parent)
if not success:
msg = ('Could not query the state of the cluster stack.'
'This must be resolved before any OCFS2 filesystem'
'can be mounted.')
info = gtk.MessageDialog(parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)
info.run()
info.destroy()
return
if (output.find('Not loaded') != -1) or (output.find('Not mounted') != -1):
success, output, k = o2cb_ctl.init_load(parent)
if success:
msg_type = gtk.MESSAGE_INFO
msg = ('The cluster stack has been started. It needs to be '
'running for any clustering functionality to happen. '
'Please run "%s enable" to have it started upon bootup.' %
o2cb_ctl.O2CB_INIT)
else:
msg_type = gtk.MESSAGE_WARNING
msg = ('Could not start cluster stack. This must be resolved '
'before any OCFS2 filesystem can be mounted')
info = gtk.MessageDialog(parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=msg_type,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)
info.run()
info.destroy()
if not success:
return
try:
cluster_name = o2cb_ctl.get_active_cluster_name(parent)
except o2cb_ctl.CtlError, e:
error_box(parent, str(e))
return
def node_config(parent=None):
success, output, k = o2cb_ctl.init_status(None, parent)
if not success:
msg = ('Could not query the state of the cluster stack.'
'This must be resolved before any OCFS2 filesystem'
'can be mounted.')
info = gtk.MessageDialog(parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)
info.run()
info.destroy()
return
if (output.find('Not loaded') != -1) or (output.find('Not mounted') != -1):
success, output, k = o2cb_ctl.init_load(parent)
if success:
msg_type = gtk.MESSAGE_INFO
msg = ('The cluster stack has been started. It needs to be '
'running for any clustering functionality to happen. '
'Please run "%s enable" to have it started upon bootup.'
% o2cb_ctl.O2CB_INIT)
else:
msg_type = gtk.MESSAGE_WARNING
msg = ('Could not start cluster stack. This must be resolved '
'before any OCFS2 filesystem can be mounted')
info = gtk.MessageDialog(parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=msg_type,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)
info.run()
info.destroy()
if not success:
return
try:
cluster_name = o2cb_ctl.get_active_cluster_name(parent)
except o2cb_ctl.CtlError, e:
error_box(parent, str(e))
return
def add_node(self, b):
if len(self.store) == o2cb.O2NM_MAX_NODES:
error_box(self, 'Cannot have more than %d nodes in a cluster' %
o2cb.O2NM_MAX_NODES)
return
node_attrs = self.node_query(title='Add Node')
if node_attrs is None:
return
self.new_nodes += 1
name, ip_addr, ip_port = node_attrs
iter = self.store.append((True, name, -self.new_nodes,
ip_addr, ip_port))
self.sel.select_iter(iter)
self.tv.scroll_to_cell(self.store.get_path(iter))
self.can_apply(True)
def add_node(self, b):
if len(self.store) == o2cb.O2NM_MAX_NODES:
error_box(
self, 'Cannot have more than %d nodes in a cluster' %
o2cb.O2NM_MAX_NODES)
return
node_attrs = self.node_query(title='Add Node')
if node_attrs is None:
return
self.new_nodes += 1
name, ip_addr, ip_port = node_attrs
iter = self.store.append(
(True, name, -self.new_nodes, ip_addr, ip_port))
self.sel.select_iter(iter)
self.tv.scroll_to_cell(self.store.get_path(iter))
self.can_apply(True)
info.run()
info.destroy()
if not success:
return
try:
cluster_name = o2cb_ctl.get_active_cluster_name(parent)
except o2cb_ctl.CtlError, e:
error_box(parent, str(e))
return
try:
conf = ClusterConfig(cluster_name, parent)
except ConfigError, e:
error_box(parent, '%s: Could not query cluster configuration' % str(e))
return
conf.run()
conf.destroy()
success, output, k = o2cb_ctl.init_status(cluster_name, parent)
if not success:
msg = ('Could not query the state of the cluster.'
'This must be resolved before any OCFS2 filesystem'
'can be mounted.')
info = gtk.MessageDialog(parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)
def format_partition(parent, device):
partitions = []
def add_partition(device, fstype):
partitions.append((device, fstype))
partition_list(add_partition, unmounted=True)
if not partitions:
error_box(parent, 'No unmounted partitions')
return False
def sort_partition(x, y):
return cmp(x[0], y[0])
partitions.sort(sort_partition)
dialog = Dialog(parent=parent, title='Format',
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OK, gtk.RESPONSE_OK))
dialog.set_alternative_button_order((gtk.RESPONSE_OK, gtk.RESPONSE_CANCEL))
dialog.set_default_response(gtk.RESPONSE_OK)
table = gtk.Table(rows=5, columns=2)
set_props(table, row_spacing=6,
column_spacing=6,
border_width=6,
parent=dialog.vbox)
widgets = []
for row, widget_type in enumerate(entries):
widget = widget_type()
label = gtk.Label()
label.set_text_with_mnemonic(widget_type.label + ':')
label.set_mnemonic_widget(widget)
set_props(label, xalign=0.0)
table.attach(label, 0, 1, row, row + 1)
if widget_type == Device:
widget.fill(partitions, device)
if isinstance(widget, gtk.Entry):
widget.set_activates_default(True)
if isinstance(widget, gtk.SpinButton):
attach_widget = gtk.HBox()
attach_widget.pack_start(widget, expand=False, fill=False)
else:
attach_widget = widget
table.attach(attach_widget, 1, 2, row, row + 1)
widgets.append(widget)
widgets[0].grab_focus()
dialog.show_all()
while 1:
if dialog.run() != gtk.RESPONSE_OK:
dialog.destroy()
return False
dev = widgets[0].get_device()
msg = 'Are you sure you want to format %s?' % dev
ask = gtk.MessageDialog(parent=dialog,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=msg)
if ask.run() == gtk.RESPONSE_YES:
break
else:
ask.destroy()
command = list(base_command)
for widget in widgets[1:]:
arg = widget.get_arg()
if arg:
command.extend(arg)
command.append(dev)
dialog.destroy()
mkfs = Process(command, 'Format', 'Formatting...', parent, spin_now=True)
success, output, k = mkfs.reap()
if not success:
error_box(parent, 'Format error: %s' % output)
return False
return True
def format_partition(parent, device):
partitions = []
def add_partition(device, fstype):
partitions.append((device, fstype))
partition_list(add_partition, unmounted=True)
if not partitions:
error_box(parent, 'No unmounted partitions')
return False
def sort_partition(x, y):
return cmp(x[0], y[0])
partitions.sort(sort_partition)
dialog = Dialog(parent=parent, title='Format',
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OK, gtk.RESPONSE_OK))
dialog.set_alternative_button_order((gtk.RESPONSE_OK, gtk.RESPONSE_CANCEL))
dialog.set_default_response(gtk.RESPONSE_OK)
table = gtk.Table(rows=5, columns=2)
set_props(table, row_spacing=6,
column_spacing=6,
border_width=6,
parent=dialog.vbox)
widgets = []
for row, widget_type in enumerate(entries):
widget = widget_type()
label = gtk.Label()
label.set_text_with_mnemonic(widget_type.label + ':')
label.set_mnemonic_widget(widget)
set_props(label, xalign=0.0)
table.attach(label, 0, 1, row, row + 1)
if widget_type == Device:
widget.fill(partitions, device)
if isinstance(widget, gtk.Entry):
widget.set_activates_default(True)
if isinstance(widget, gtk.SpinButton):
attach_widget = gtk.HBox()
attach_widget.pack_start(widget, expand=False, fill=False)
else:
attach_widget = widget
table.attach(attach_widget, 1, 2, row, row + 1)
widgets.append(widget)
widgets[0].grab_focus()
dialog.show_all()
while 1:
if dialog.run() != gtk.RESPONSE_OK:
dialog.destroy()
return False
dev = widgets[0].get_device()
msg = 'Are you sure you want to format %s?' % dev
ask = gtk.MessageDialog(parent=dialog,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=msg)
if ask.run() == gtk.RESPONSE_YES:
break
else:
ask.destroy()
command = list(base_command)
for widget in widgets[1:]:
arg = widget.get_arg()
if arg:
command.extend(arg)
command.append(dev)
dialog.destroy()
mkfs = Process(command, 'Format', 'Formatting...', parent, spin_now=True)
success, output, k = mkfs.reap()
if not success:
error_box(parent, 'Format error: %s' % output)
return False
return True
def push_config(parent=None):
try:
cluster_name, hosts = get_hosts(parent)
except o2cb_ctl.CtlError, e:
error_box(parent, str(e))
return
def node_query(self, title='Node Attributes', defaults=None, editing=False):
existing_names = {}
existing_ip_addrs = {}
for row in self.store:
name = row[COLUMN_NAME]
ip_addr = row[COLUMN_IP_ADDRESS]
if not (editing and name == defaults[COLUMN_NAME]):
existing_names[name] = 1
if not (editing and ip_addr == defaults[COLUMN_IP_ADDRESS]):
existing_ip_addrs[ip_addr] = name
dialog = Dialog(parent=self, title=title,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OK, gtk.RESPONSE_OK))
dialog.set_alternative_button_order((gtk.RESPONSE_OK,
gtk.RESPONSE_CANCEL))
dialog.set_default_response(gtk.RESPONSE_OK)
table = gtk.Table(rows=4, columns=2)
set_props(table, row_spacing=4,
column_spacing=4,
border_width=4,
parent=dialog.vbox)
widgets = []
for row, field in enumerate(fields):
if field.widget_type is None:
widgets.append(None)
continue
label = gtk.Label(field.title + ':')
set_props(label, xalign=1.0)
table.attach(label, 0, 1, row, row + 1)
widget = field.widget_type()
table.attach(widget, 1, 2, row, row + 1)
if field.column == COLUMN_NAME:
widget.set_max_length(o2cb.O2NM_MAX_NAME_LEN)
elif field.column == COLUMN_IP_PORT:
widget.set_numeric(True)
adjustment = gtk.Adjustment(PORT_DEFAULT,
PORT_MINIMUM, PORT_MAXIMUM,
1, 100)
widget.set_adjustment(adjustment)
widget.set_value(PORT_DEFAULT)
widgets.append(widget)
if defaults:
for w, d in zip(widgets, defaults):
if w and d:
w.set_text(d)
dialog.show_all()
while 1:
if dialog.run() != gtk.RESPONSE_OK:
dialog.destroy()
return None
ip_port = widgets[COLUMN_IP_PORT].get_text()
name = widgets[COLUMN_NAME].get_text()
if not name:
error_box(dialog, 'Node name not specified')
continue
try:
ip_addr = widgets[COLUMN_IP_ADDRESS].get_text()
except (IPMissing, IPError), msg:
error_box(dialog, msg[0])
continue
if name in existing_names:
error_box(dialog,
'Node %s already exists in the configuration' % name)
elif ip_addr in existing_ip_addrs:
error_box(dialog,
'IP %s is already assigned to node %s' %
(ip_addr, existing_ip_addrs[ip_addr]))
else:
break
def tune_action(widget_type, parent, device):
try:
widget = widget_type(device)
except ocfs2.error:
desc = widget_type.label.replace('_', '')
desc = desc.lower()
error_box(parent,
'Could not get current %s for device %s' % (desc, device))
return False
dialog = Dialog(parent=parent,
title=widget_type.title,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OK, gtk.RESPONSE_OK))
dialog.set_alternative_button_order((gtk.RESPONSE_OK, gtk.RESPONSE_CANCEL))
dialog.set_default_response(gtk.RESPONSE_OK)
table = gtk.Table(rows=1, columns=2)
set_props(table,
row_spacing=6,
column_spacing=6,
border_width=6,
parent=dialog.vbox)
label = gtk.Label()
label.set_text_with_mnemonic(widget_type.label + ':')
set_props(label, xalign=0.0)
table.attach(label, 0, 1, 0, 1)
label.set_mnemonic_widget(widget)
table.attach(widget, 1, 2, 0, 1)
if isinstance(widget, gtk.Entry):
widget.set_activates_default(True)
widget.grab_focus()
dialog.show_all()
while 1:
if dialog.run() != gtk.RESPONSE_OK:
dialog.destroy()
return False
new_label = widget.get_text()
if not new_label:
if widget_type.empty_ok:
msg = ('Are you sure you want to clear the %s on %s?' %
(widget_type.lower(), device))
ask = gtk.MessageDialog(parent=dialog,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=msg)
if ask.run() == gtk.RESPONSE_YES:
break
else:
ask.destroy()
else:
error_box(
dialog,
'%s cannot be empty.' % widget_type.lower().ucfirst())
else:
break
command = list(base_command)
command.extend(widget.get_arg())
command.append(device)
dialog.destroy()
tunefs = Process(command,
widget_type.title,
widget_type.action + '...',
parent,
spin_now=True)
success, output, k = tunefs.reap()
if not success:
error_box(parent, 'File system tune error: %s' % output)
return False
return True
def node_query(self,
title='Node Attributes',
defaults=None,
editing=False):
existing_names = {}
existing_ip_addrs = {}
for row in self.store:
name = row[COLUMN_NAME]
ip_addr = row[COLUMN_IP_ADDRESS]
if not (editing and name == defaults[COLUMN_NAME]):
existing_names[name] = 1
if not (editing and ip_addr == defaults[COLUMN_IP_ADDRESS]):
existing_ip_addrs[ip_addr] = name
dialog = Dialog(parent=self,
title=title,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OK, gtk.RESPONSE_OK))
dialog.set_alternative_button_order(
(gtk.RESPONSE_OK, gtk.RESPONSE_CANCEL))
dialog.set_default_response(gtk.RESPONSE_OK)
table = gtk.Table(rows=4, columns=2)
set_props(table,
row_spacing=4,
column_spacing=4,
border_width=4,
parent=dialog.vbox)
widgets = []
for row, field in enumerate(fields):
if field.widget_type is None:
widgets.append(None)
continue
label = gtk.Label(field.title + ':')
set_props(label, xalign=1.0)
table.attach(label, 0, 1, row, row + 1)
widget = field.widget_type()
table.attach(widget, 1, 2, row, row + 1)
if field.column == COLUMN_NAME:
widget.set_max_length(o2cb.O2NM_MAX_NAME_LEN)
elif field.column == COLUMN_IP_PORT:
widget.set_numeric(True)
adjustment = gtk.Adjustment(PORT_DEFAULT, PORT_MINIMUM,
PORT_MAXIMUM, 1, 100)
widget.set_adjustment(adjustment)
widget.set_value(PORT_DEFAULT)
widgets.append(widget)
if defaults:
for w, d in zip(widgets, defaults):
if w and d:
w.set_text(d)
dialog.show_all()
while 1:
if dialog.run() != gtk.RESPONSE_OK:
dialog.destroy()
return None
ip_port = widgets[COLUMN_IP_PORT].get_text()
name = widgets[COLUMN_NAME].get_text()
if not name:
error_box(dialog, 'Node name not specified')
continue
try:
ip_addr = widgets[COLUMN_IP_ADDRESS].get_text()
except (IPMissing, IPError), msg:
error_box(dialog, msg[0])
continue
if name in existing_names:
error_box(dialog,
'Node %s already exists in the configuration' % name)
elif ip_addr in existing_ip_addrs:
error_box(
dialog, 'IP %s is already assigned to node %s' %
(ip_addr, existing_ip_addrs[ip_addr]))
else:
break
command = ('ssh', 'root@%s' % host, remote_command)
terminal.feed('Propagating cluster configuration to %s...\r\n' % host, -1)
terminal.fork_command(command=command[0], argv=command)
def push_config(parent=None):
try:
cluster_name, hosts = get_hosts(parent)
except o2cb_ctl.CtlError, e:
error_box(parent, str(e))
return
try:
command = generate_command(cluster_name)
except IOError, e:
error_box(parent, str(e))
return
title = 'Propagate Cluster Configuration'
dialog = TerminalDialog(parent=parent, title=title)
terminal = dialog.terminal
dialog.finished = False
dialog.show_all()
host_iter = iter(hosts)
terminal.connect('child-exited', propagate, dialog, command, host_iter)
propagate(terminal, dialog, command, host_iter)
def tune_action(widget_type, parent, device):
try:
widget = widget_type(device)
except ocfs2.error:
desc = widget_type.label.replace('_', '')
desc = desc.lower()
error_box(parent, 'Could not get current %s for device %s' %
(desc, device))
return False
dialog = Dialog(parent=parent, title=widget_type.title,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OK, gtk.RESPONSE_OK))
dialog.set_alternative_button_order((gtk.RESPONSE_OK, gtk.RESPONSE_CANCEL))
dialog.set_default_response(gtk.RESPONSE_OK)
table = gtk.Table(rows=1, columns=2)
set_props(table, row_spacing=6,
column_spacing=6,
border_width=6,
parent=dialog.vbox)
label = gtk.Label()
label.set_text_with_mnemonic(widget_type.label + ':')
set_props(label, xalign=0.0)
table.attach(label, 0, 1, 0, 1)
label.set_mnemonic_widget(widget)
table.attach(widget, 1, 2, 0, 1)
if isinstance(widget, gtk.Entry):
widget.set_activates_default(True)
widget.grab_focus()
dialog.show_all()
while 1:
if dialog.run() != gtk.RESPONSE_OK:
dialog.destroy()
return False
new_label = widget.get_text()
if not new_label:
if widget_type.empty_ok:
msg = ('Are you sure you want to clear the %s on %s?' %
(widget_type.lower(), device))
ask = gtk.MessageDialog(parent=dialog,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=msg)
if ask.run() == gtk.RESPONSE_YES:
break
else:
ask.destroy()
else:
error_box(dialog, '%s cannot be empty.' %
widget_type.lower().ucfirst())
else:
break
command = list(base_command)
command.extend(widget.get_arg())
command.append(device)
dialog.destroy()
tunefs = Process(command, widget_type.title, widget_type.action + '...',
parent, spin_now=True)
success, output, k = tunefs.reap()
if not success:
error_box(parent, 'File system tune error: %s' % output)
return False
return True
info.run()
info.destroy()
if not success:
return
try:
cluster_name = o2cb_ctl.get_active_cluster_name(parent)
except o2cb_ctl.CtlError, e:
error_box(parent, str(e))
return
try:
conf = ClusterConfig(cluster_name, parent)
except ConfigError, e:
error_box(parent, '%s: Could not query cluster configuration' % str(e))
return
conf.run()
conf.destroy()
success, output, k = o2cb_ctl.init_status(cluster_name, parent)
if not success:
msg = ('Could not query the state of the cluster.'
'This must be resolved before any OCFS2 filesystem'
'can be mounted.')
info = gtk.MessageDialog(parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)